9. Find the value of cscA if cosA = and angle A in not in third quadrar 13 c. 12 A. С. B. - В. 12 D.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 14E
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19. Find the value of cscA if cosA = −5/13 and angle A in not in third quadrant.

20. Solve the trigonometric equation sinx + cosx = 0.

19. Find the value of cscA if cosA
and angle A in not in third quadrant.
13
13
A.
C. 12
В.
D. 3
5
20.
Solve the trigonometric equation sinx + cosx = 0.
A. 2 57
3 '3
С.
4
5n 11n
В.
6.
D.
Transcribed Image Text:19. Find the value of cscA if cosA and angle A in not in third quadrant. 13 13 A. C. 12 В. D. 3 5 20. Solve the trigonometric equation sinx + cosx = 0. A. 2 57 3 '3 С. 4 5n 11n В. 6. D.
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